Ashdown AAA115T Guitar Combo Amplifier The Ashdown AAA EVO range sports a retro look and was designed using the latest technology to provide a plethora of great bass tones. The AAA-115T extension cab is the perfect companion for the high-powered AAA-300-210T, offering 300 Watts of handling power and a robust 15" Ashdown driver and Tweeter. 300 Watts; 1x15" Ashdown Driver with Tweeter